分布式光纤传感器

实现高空间分辩率分布式光纤传感器的理论分析

Theoretic Analysis of the Schemes for Realizing High Spatial resolution DOFS

单轴分布式光纤传感器管线泄漏探测方法及定位理论分析

The Monitoring System and the Analysis of Locating Theory for Pipeline Leakage Detection Based on Single Distributed Optical Fiber Sensor

第八章，研究了基于Rayleigh光频域背向散射和Raman光频域背向散射理论同时测量微弯和温度分布的全分布式光纤传感器系统。

Chapter 8 . the fully distributed optical fiber sensor system on base of Raman and Rayleigh optical frequency-domain reflectometry to measure microbend and temperature simultaneously is developed .

基于多维DTW和动态决策的模式识别算法，为分布式光纤传感器触发信号的模式识别提供了一种新的方法。

A new model identification method , which is multi-scale DTW with dynamic decision arithmetic , for distributed fiber sensing system is proposed .

指出采用软硬件结合的方法进行输油管道泄漏检测、泄漏检测系统与SCADA结合、将分布式光纤传感器应用于管道泄漏检测中将有良好的发展前景。

It has good development prospect to carry out the methods that combine with software hardware , leak detection system and SCADA , apply the sensor of optical cable of distribution type in pipeline to leak detection .

介绍了两类先进的分布式光纤传感器技术，即光纤光栅（FBG）和布里渊光时域反射计（BOTDR）；

Two kinds of novel distributed fiber optic sensing technique , i.e. , Fiber Bragg Grating ( FBG ) and Brillouin Optical Time Domain Reflectometer ( BOTDR ), are introduced in this paper .

初始感知裂缝宽为0.03mm，并根据试验数据拟合出半经验公式，这一实验结果还可以作为全分布式光纤传感器进一步深入研究的参考。

The initial sensing crack width reach 0.03 mm ; and semi-empirical formula was fitted from data .

针对结构裂缝监测的需要，依据OTDR光时域反射技术和瑞利散射原理，研究开发了一种采用分布式光纤传感器的光纤传感的裂缝监测技术；

To the demand of crack monitoring of the concrete structure , based on Optical Time-Domain Reflectometry and Rayleigh scattering , a kind of crack monitoring optic fiber technique using distributed fiber sensor was investigated .

分布式光纤传感器（DistributedOptical-fiberSensor，DOFS）除了具有一般光纤传感器抗电磁干扰、耐腐蚀以及电绝缘性好等优点，还能在沿光纤路径上得到被测量场在时间和空间上的连续分布信息。

Distributed Optical-fiber Sensor ( DOFS ) has the advantages of electromagnetic interference resistance , corrosion resistance and electrical insulation just like optical fiber sensor , also can get on a path along the fiber optical measurement field in time and space distribution of continuous information .

实现了两台布里渊散射分布式光纤传感器之间的串联，单台传感器的传感距离为25km，串联后达到50km。

The series connecting between two Brillouin scattering distributed optical-fiber sensors was achieved , the sensing length of single sensor was 25 km , and the sensing length of two series connecting sensors was 50 km . The experimental results show that the configuration is feasible .

偏振模耦合分布式光纤传感器空间分辨率研究

Study on spatial resolution of polarized-modes coupling distributed fiber optic sensor

分布式光纤传感器用于桥梁和路面的健康监测

Application of Distributed Fiber Optic Sensor to Bridge and Pavement Health Monitoring

分布式光纤传感器中检偏镜对轴角度分析

Analysis on Analyzer Alignment Angle in Distributed Optical Fiber Sensor

分布式光纤传感器中孤子效应作用的研究

Study on the soliton 's effect on distributed optical-fiber sensors

喇曼散射分布式光纤传感器系统的信号处理

Signal Processing of Distributed Optical Sensor System Based on Raman-Scattering

单模波分解多路复用器波分复用串联的布里渊散射分布式光纤传感器

Brillouin Scattering Distributed Optical Fiber Sensors Series Connected by Wavelength Division Multiplexing

分布式光纤传感器系统的稳定性研究

The Stability Research on Distributed Optical Fiber Sensing System

介绍了分布式光纤传感器的当前进展及发展趋势。

The current development and trend of distributed optical fiber sensors are introduced .

用于粮库温度场测量的分布式光纤传感器系统设计

Systematic Design of Measuring Temperature Fields Distributed Optical Fiber Sensor for Grain Depot

基于自发布里渊散射的双路分布式光纤传感器设计与实现

Design and implementation of spontaneous Brillouin scattering based double-trace distributed optical fiber sensor

分布式光纤传感器用于连续配筋混凝土路面健康监测的试验研究

A Study on Health of Continuously Concrete Pavements Monitored by Distributed Fiber Optic Sensor

分布式光纤传感器中数据采集系统设计

Data Acquisition System in Distributed Optical Fiber Sensors

分布式光纤传感器监测预应力锚索应力状态的试验研究

Experimental study on monitoring of stress for prestressed anchorage cable using distributed fiber optic sensor

琼斯矩阵在分布式光纤传感器偏振态分析中的应用

Application of Jones matrix in the research of polarization effects of the distributed optic fiber sensor

光时域背向拉曼散射分布式光纤传感器与光频域背向拉曼散射分布式光纤传感器对比研究

Comparison between the fully distributed fiber optic sensors based on Raman optical-fiber frequency-domain reflectometry and time-domain reflectometry

基于布里渊散射的分布式光纤传感器的实用模型及模拟仿真

The Utility Model and Analog Simulation of the Distributed Optical Fiber Sensor Basing on the Brillouin Scatter

介绍了基于布里渊分布式光纤传感器的进展和发展趋势，以及应用后向布里渊散射测量光纤温度/应变的基本原理。

This paper introduces the advancement and the developing direction of the Brillouin scattering distributed optic fiber sensor .

对影响该分布式光纤传感器空间分辨力的各种因素进行了讨论，并提出了改善空间分辨力的方法。

The factors , which influenced the spatial resolution of the distributed optical fiber pressure sensor , are discussed .

因此，如何有效提高产品的可靠性，成为国内分布式光纤传感器厂商急待解决的问题。

How to improve the reliability of the domestic DTS system became an urgent problem for national manufactures to solve .

分析了偏振模耦合原理的分布式光纤传感器的自相干与互相干光；

Phenomena of self-coherence and mutual-coherence of the distributed fiber optic sensor based on the principle of polarized-mode coupling are analyzed .